8 Items Gem Testing Instruments Mohs Gemstone Hardness Tester
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Detailed Product Description
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Portable quick Hardness Level Tester Genuine tools Gemstone Mohs hardness pencil Model Number: FMH-8
Hardness Pencil is used for scratching the rough gemstones. If there are scratches, the gemstone hardness is lower than that hardness marked on the pens.
Applications:
Specification:
Attention: Mohs hardness is not a specific value, but a rough range of hardness. The appraisal result of this product is only used as auxiliary evidence and cannot be used as direct evidence to directly judge the gemstone species.
The top of the hardness pen is inlaid with pure gemstones with Mohs hardness, representing corresponding hardness.
It includes:
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| Product Tags: Hardness Gem Testing Instruments Mohs Gemstone Hardness Tester Jewelry Gemstone Hardness Tester |
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